The most common and most likely answer to this crossword clue is the 7 letter word SENSUAL
I've seen this crossword clue in The Times
S
E
N
S
U
A
L
More clues leading to the result SENSUAL
- Sultry American, in some ways upstanding
- Cooking, unless entertaining a voluptuary
- Voluptuous aunt? No model – less exotic
- Being given to fleshly pleasures puts non-smoking university in a fix
- Lustful partners united in Cork
- Pleasure-seeking swimmer soaking up sun at sea
- Sultry Sue’s an exotic lass, but no fool
- Nude lass posed with no end of sangfroid being this?
- Steamy sections of highway crossing America to the west
Buddy explains!

The straight part
We know that "Steamy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case steamy = sensual.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SENSUAL mean?
SENSUAL adjective- Inducing pleasurable or erotic sensations.
- Of or pertaining to the physical senses; sensory.
- Provoking or exciting a strong response in the senses.